On 23/09/2019 08:27, 徐蕴 wrote:
Hi ceph experts, I deployed Nautilus (v14.2.4) and Luminous (v12.2.11) on the same hardware, and made a rough performance comparison. The result seems Luminous is much better, which is unexpected. My setup: 3 servers, each has 3 HDD OSDs, 1 SSD as DB, two separated 1G network for cluster and public. Pool test has 32 pg and pop numbers, replicated size is 3. Using "rados -p bench 80 write” to measure write performance. The result: Luminous: Average IOPS 36 Nautilus: Average IOPS 28 Is the difference considered valid for Nautilus? Br, Xu Yun _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
If you ran "rados -p bench 80 write”without specifying the block size -b option, then you will be using default 4MB block sizes, at such sizes you should be looking at Throughput MB/s rather than iops, the 28 iops x 4M will already saturate your 1G network.
/Maged _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
